2 * Copyright (C) 2015 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jshopcore.model.basket;
19 import java.io.Serializable;
20 import java.rmi.RemoteException;
22 import javax.ejb.Remote;
23 import org.mxchange.jshopcore.exceptions.BasketItemAlreadyAddedException;
26 * An interface for a basket bean
28 * @author Roland Haeder<roland@mxchange.org>
31 public interface BasketSessionBeanRemote extends Serializable {
34 * Adds given item instance to this basket
36 * @param item Item instance to add
37 * @throws org.mxchange.jshopcore.exceptions.BasketItemAlreadyAddedException If the item as already been added
39 public void addItem (final AddableBasketItem item) throws BasketItemAlreadyAddedException;
42 * Checks if the basket is empty
44 * @return Whether the basket is empty
45 * @throws java.rmi.RemoteException If something bad happens
47 public boolean isEmpty () throws RemoteException;
50 * Checks whether the given product as already been added. If the product's
51 * item id number was found in basket, the corresponding item instance will
54 * @param item Item instance to check
55 * @return Whether the given item has been found
57 public boolean isAdded (final AddableBasketItem item);
60 * Some "getter" for all entries in this basket
62 * @return Map on all basket items
64 public Map<Long, AddableBasketItem> getAll ();
67 * Getter for last entry
69 * @return Last added item in basket
71 public AddableBasketItem getLast ();
74 * Getter for last num rows
76 * @return Last num rows
78 public int getLastNumRows ();